Sorry, but the photo re-posted is too big and blurry. A decent close-up of the collar badges might help, but perhaps these old photos are not crisp enough to get a good definition on a close-up.
He still appears to be wearing a late 1870s uniform, (pre-Cardwell Reforms), although the dress perhaps continued into the early 1880s. Again, he looks like he is in an English county 'Royal' regiment. Engineers would have worn the same uniform as other branches of the army, as the excerpt below tells us:
Royal Engineers Uniform 1879
Uniform
The basic uniform for both RE officers and Other Ranks, as for most soldiers, was the red serge jacket, and blue trousers, with the various embellishments appropriate to different ranks and trades. However the smartness of the parade ground had to be forgotten on campaign. The soldiers usually had to sleep in uniform for weeks, even months at a time, in readiness for night attacks.
